From 9c54cad750981bf6328fcb1322966f9791b0419f Mon Sep 17 00:00:00 2001
From: Eric Bailey <git@esb.lol>
Date: Wed, 24 Jul 2024 16:23:09 -0500
Subject: [PATCH] Memoize

---
 src/view/com/util/post-embeds/index.tsx | 58 +++++++++++++++----------
 1 file changed, 35 insertions(+), 23 deletions(-)

diff --git a/src/view/com/util/post-embeds/index.tsx b/src/view/com/util/post-embeds/index.tsx
index eec17e6d0a..71c72b4978 100644
--- a/src/view/com/util/post-embeds/index.tsx
+++ b/src/view/com/util/post-embeds/index.tsx
@@ -55,10 +55,8 @@ export function PostEmbeds({
   style?: StyleProp<ViewStyle>
   allowNestedQuotes?: boolean
 }) {
-  const pal = usePalette('default')
   const {openLightbox} = useLightboxControls()
   const largeAltBadge = useLargeAltBadgeEnabled()
-  const moderationOpts = useModerationOpts()
 
   // quote post with media
   // =
@@ -77,32 +75,13 @@ export function PostEmbeds({
 
   if (AppBskyEmbedRecord.isView(embed)) {
     // custom feed embed (i.e. generator view)
-    // =
     if (AppBskyFeedDefs.isGeneratorView(embed.record)) {
-      const moderation = moderationOpts
-        ? moderateFeedGenerator(embed.record, moderationOpts)
-        : undefined
-      return (
-        <ContentHider modui={moderation?.ui('contentList')}>
-          <FeedSourceCard
-            feedUri={embed.record.uri}
-            style={[pal.view, pal.border, styles.customFeedOuter]}
-            showLikes
-          />
-        </ContentHider>
-      )
+      return <MaybeFeedCard view={embed.record} />
     }
 
     // list embed
     if (AppBskyGraphDefs.isListView(embed.record)) {
-      const moderation = moderationOpts
-        ? moderateUserList(embed.record, moderationOpts)
-        : undefined
-      return (
-        <ContentHider modui={moderation?.ui('contentList')}>
-          <ListEmbed item={embed.record} />
-        </ContentHider>
-      )
+      return <MaybeListCard view={embed.record} />
     }
 
     if (AppBskyGraphDefs.isStarterPackViewBasic(embed.record)) {
@@ -200,6 +179,39 @@ export function PostEmbeds({
   return <View />
 }
 
+function MaybeFeedCard({view}: {view: AppBskyFeedDefs.GeneratorView}) {
+  const pal = usePalette('default')
+  const moderationOpts = useModerationOpts()
+  const moderation = React.useMemo(() => {
+    return moderationOpts
+      ? moderateFeedGenerator(view, moderationOpts)
+      : undefined
+  }, [view, moderationOpts])
+
+  return (
+    <ContentHider modui={moderation?.ui('contentList')}>
+      <FeedSourceCard
+        feedUri={view.uri}
+        style={[pal.view, pal.border, styles.customFeedOuter]}
+        showLikes
+      />
+    </ContentHider>
+  )
+}
+
+function MaybeListCard({view}: {view: AppBskyGraphDefs.ListView}) {
+  const moderationOpts = useModerationOpts()
+  const moderation = React.useMemo(() => {
+    return moderationOpts ? moderateUserList(view, moderationOpts) : undefined
+  }, [view, moderationOpts])
+
+  return (
+    <ContentHider modui={moderation?.ui('contentList')}>
+      <ListEmbed item={view} />
+    </ContentHider>
+  )
+}
+
 const styles = StyleSheet.create({
   container: {
     marginTop: 8,